4-Chlorobenzenesulfonyl chloride → HCID 67157888, compound

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Reaction Steps

The compound was prepared from tert-butyl (3S)-3-[(4-nitro-1-naphthyl)oxy]pyrrolidine-1-carboxylate (0.3 g, 0.9 mmol) and 4-chloro-phenylsulfonylchloride (0.23 g, 1.1 mmol). Yield: 0.23 g (50%) of the title compound. 1H NMR (400 MHz, CDCl3) δ ppm 1.46 (d, J=4.52 Hz, 9H) 2.15-2-34 (m, 2H) 3.54-3.74 (m, 4H) 5.05 (br s, 1H) 6.62-6.71 (m, 2H) 7.17-7.23 (m, 1H) 7.33 (d, J=8.53 Hz, 1H) 7.39-7.43 (m, 2H) 7.62-7.64 (m, 2H) 7.65-7.70 (m, J=6.02 Hz, 1H) 8.18 (d, J=8.53 Hz, 1H) MS (ESI+) for C25H27ClN2O5S m/z 520.2 (M+NH4)+, 447.0 (M−tBu)+. HPLC 100%, RT=2.772 min (System A1, 10-97% MeCN over 3 min).

Provenance & Evidence